Hitachi MULTIZONE RAM-110NP5E Technical Catalogue page 24

Example of wiring connection to Card Key Unit will be as below (reference only)
CARD KEY UNIT (Prepared by INSTALLER)
Card sensor
indicator
AC
POWER
SUPPLY
•
CONNECTION EXAMPLE
i. Pin No. 3 of DIP SWITCH is set to OFF position (HI Input Active) for Dry Contact Type a
Connecting cord to PCB
Accessory# SPX-WDC2 or SPX-WDC3
(Refer to Table 1)
Indoor unit
SERIAL CONNECTION
All SW ON → OPERATION
ii. Pin No. 3 of DIP SWITCH is set to ON position (LO Input Active) for Dry Contact Type b
Indoor unit
PARALLEL CONNECTION
All SW OFF → OPERATION
Please refer to the actual manual supplied with the optional connecting cords SPX-WDC2/WDC3 for more details.
Dry contact
Connection
PWB
Connection
Connecting cord to PCB
Accessory# SPX-WDC2 or SPX-WDC3
(Refer to Table 1)
PWB
Connection
② Contact with sleeve
① Connecting Cord to PCB:
SPX-WDC2 or SPX-WDC3
(Refer to Table 1)
Window
Close: ON
Open: OFF
Card key unit
Insert Card: ON
Remove Card: OFF
Window
Close: ON
Open: OFF
Window
Close: OFF
Open: ON
Connection
Window
Close: OFF
Open: ON
OPTION LIST
AIR CONDITIONER INDOOR PCB
CN6 or CN9
(Refer to Table 1)
DIP SW Label
(Refer to Table 1)
Card key unit
Insert Card: OFF
Remove Card: ON
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